https://webfft.net/cir/

Birdsongs Visualizer

A few examples (images are clickable):

[ex1] [ex2] [ex3] [ex4] [ex5] [ex6] [ex7] [ex8] [ex9] [ex10] [ex11]

Steps:

 1. Download a random birdsong from xeno-canto.org
 2. Click on the image below to select the birdsong.
 3. Click zoom-in and zoom-out to adjust sample rate.
 4. Increase or decrease brightness of the image.
 5. Alternatively: record some audio using your mic.

Audio is processed on the client.

This is the good old DFT spectrogram mapped to a circle. Compare
(images are clickable):

[ex0] [ex1]

https://github.com/webfft/webfft.github.io

2023